United States Energy Information Administration. text Washington,D.C The administration monographic Energy Information administration Description based on: sept. - Oct. 1993; title from caption. United States Energy Infirmation Administration Power resources E 3.27/4: E 3.27/4: http://purl.access.gpo.gov/GPO/LPS48237 http://purl.access.gpo.gov/GPO/LPS48237 20160527183830.0 300512